Monitor



FIG. 1 is a perspective view of a monitor, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. The shade lines in the figures show contour and not surface ornamentation. The diagonal lines in FIGS. 1 and 2 represent a reflective surface. 

CLAIM The ornamental design for a monitor, as shown and described. 